I am iron painter and would like to help me?

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Question:

i work in painting the iron, but i am suffering from a probelm !. the paint is peeled after a period of time because the surface of iron is so polished!.!.!.i have been advised to use a chemical which is anointed on the polished iron befor we paint it to prevent the peeling!.!.!.can anyone help me to know this chemical!? is it trisodium phsphaste or di or mono sodium phsophate or other metirial !.!.!. what is happeinig on the surface when we anointe the material befor paintingWww@QuestionHome@Com

Best Answer - Chosen by Asker:

Trisodium phosphate (TSP), available at most hardware stores in white powder form, is a cleaning agent, stain remover and degreaser, commonly used to prepare surfaces for painting!. It can also be called trisodium orthophosphate and has the chemical formula Na3PO4; however, it is generally found in hydrated forms!. It is a highly water-soluble ionic salt!. Solutions of it dissolved in water have an alkaline pH!.

Go to your local DIY store like LOWES or HOME DEPOT!.Www@QuestionHome@Com